The potential for UV-SERS is demonstrated using subwavelength Al gratings grown on sapphire substrate. The role played by the slit geometry and analyte coverage is explored, demonstrating that enhancement factors greater than 100,000 are possible.
© 2012 OSA
G. D'Aguanno, N. Mattiucci, S. Butun, J. Callahan, H. O. Everitt, K. Aydin, and M. Bloemer, "UV-SERS Assisted by Nano-Focusing in Plasmonic Gratings with Tapered Slits," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTu3A.68.
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